Agence France-Presse: Developed countries must slash their greenhouse gas emissions to ensure the survival of vulnerable island states, Pacific island leaders said Tuesday. Leaders of seven tiny Pacific island states met ahead of the Pacific Islands Forum summit starting Wednesday. They include some of the countries most vulnerable to climate change, including the atoll archipelagos of Kiribati, Tuvalu and the Marshall Islands, which include land just two to three metres (six to nine feet) above sea …